CHINO (CBSLA.com) — A police officer on a motorcycle was seriously injured in a violent crash in Chino, authorities said.

The accident happened Monday afternoon at an intersection near the 60 Freeway in the Central Avenue on- and off- ramp.

READ MORE: Preliminary Magnitude 4.3 Earthquake Shakes Carson Area

The unidentified officer was airlifted to a hospital in serious condition. The officer was said to be breathing, responsive and conscious.

It remains unclear how the accident between the officer and a red truck occurred. The driver of the truck remained at the scene to talk with officers.

READ MORE: County Health Officials Announce Order Requiring Proof Of Vaccination At Some Indoor And Outdoor Venues

The California Highway Patrol is investigating. It remains unclear who was at fault.

Due to the crash and investigation, the east and west off-ramps off the 60 Freeway at Central were closed. For traffic updates, tune-in to KNX 1070 NEWSRADIO.

MORE NEWS: Concerned Residents Speak Out About Rise In People Living In RVs

No further details were immediately available.